Chemistry JAMB

A particle that contains 9 protons, 10 neutrons and 10 electrons is?

A. positive ion
B. neutral atom of a metal
C. neutral atom of a non-metal
D. negative ion

Correct Answer:

Option D – negative ion

Explanation

protons = 9

neutrons = 10

electrons = 10

Electronic configuration = 2, 8

Ground state Electronic configuration=2, 7

It means that the atom has gained an electron thereby making it have a negative ion.

When an atom donates an electron, it becomes positively charged.

When an atom accepts an electron, it becomes negatively charged

Sunday

Share
Published by
Sunday
Tags: Chemistry

Recent Posts

POL 101 Theory Questions: Health Team

100 Level Department Of X-Ray Technicians exam questions and detailed answers. Download the answers in…

3 days ago

POL 101 Theory Questions: Factors Affecting Health in Nigeria

100 Level Department Of X-Ray Technicians exam questions and detailed answers. Download the answers in…

3 days ago

POL 101 Theory Questions: Primary Health Care Principles

100 Level Department Of X-Ray Technicians exam questions and detailed answers. Download the answers in…

3 days ago

POL 101 Theory Questions: Nigeria Healthcare Tiers

100 Level Department Of X-Ray Technicians exam questions and detailed answers. Download the answers in…

3 days ago

PHC 101 Theory Questions: Primary Health Care – Health According To WHO – Referral System

100 Level Department Of X-Ray Technicians exam questions and detailed answers. Download the answers in…

3 days ago

MSX 102 Theory Questions: Mores – Folk Laws – Social Stratification – Social Changes

100 Level Department Of X-Ray Technicians exam questions and detailed answers. Download the answers in…

3 days ago